Simple Code using laravel transactions closure in DB facade

ExampleController.php

<?php

namespace App\Controllers;

use App\Models\User;
use App\Models\Verification;
use Illuminate\Support\Facades\DB;
use Illuminate\Http\Request;


class ExampleController extends Controller {
  public function registerUser(Request $request) {
    DB::transaction(function() {
        $user = User::create($request->all());
        Verification::create([
            'user_id' => $user->id,
            'code' => str_pad(random_int(0, 9999), "4", "0", STR_PAD_LEFT),
            'expires_at' => Carbon::now()->addHours(2)
        ]);
        return response([
            'message' => "User created successfully",
            'status' => "success"
        ], 200);
      });
    } 
}